E2F3 and non-small cell lung carcinoma: In agreement with the published data, lncRNAs acting via the sponge mechanism affect the following proteins, crucial for the signaling in NSCLC according to the KEGG database: ERBB2, GRB2, PDK1, CCND1, CDK1, E2F3, BAX, and STAT3 (https://www.kegg.jp/pathway/hsa05223, accessed on 19 June 2023).